Weekmark

Calendar week · ISO 8601

Week 16, 2025

Monday 14 April – Sunday 20 April 2025

  1. Mon14Apr
  2. Tue15Apr
  3. Wed16Apr
  4. Thu17Apr
  5. Fri18Apr
  6. Sat19Apr
  7. Sun20Apr
ISO week
2025-W16
Copy as
CW16 (14–20 Apr)
Quarter
Q2 2025
Weeks in 2025
52
US week number
16

Week 16 is also written KW 16 (Kalenderwoche) or CW 16. ISO weeks start on Monday, and week 1 is the week with the year’s first Thursday. US calendars start weeks on Sunday and count the week with 1 January as week 1, so they give Monday 14 Apr to Saturday 19 Apr the same number: week 16.